VBIO vs WAB: Correlation
Measured on weekly returns over the past three years, Valion Bio, Inc. (VBIO) and Wabtec (WAB) carry a correlation of -0.17, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are VBIO and WAB?
On 3 years of weekly data the VBIO/WAB correlation comes out at -0.17, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.38) runs below the 3-year figure (-0.17). The 5-year figure is -0.10, and annualized covariance runs at -629.6 %².
By 3-year correlation, WAB places #9 of the 15 assets tracked against VBIO. Correlation aside, the last 12 months split them widely, with WAB ahead by 148.9 points (-96.0% versus +52.9%). One caveat on sizing: VBIO is 5.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
VBIO vs WAB: side by side
| VBIO (Valion Bio, Inc.) | WAB (Wabtec) | |
|---|---|---|
| 1-year return | -96.0% | +52.9% |
| 5-year return | -100.0% | +241.0% |
| Volatility (ann.) | 147.8% | 25.3% |
| Beta vs S&P 500 | 1.27 | 0.99 |
| Max drawdown (3Y) | -99.8% | -23.6% |
| Market cap | – | $50.2B |
| P/E (trailing) | – | 40.5 |
| Dividend yield | 0.00% | 0.37% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | VBIO | WAB |
|---|---|---|
| 2022 | -83.5% | +9.1% |
| 2023 | -97.2% | +28.0% |
| 2024 | -80.8% | +50.1% |
| 2025 | -75.3% | +13.2% |
| 2026 | -91.5% | +39.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are VBIO and WAB good diversifiers for each other?
By historical standards, yes. A correlation of -0.17 means the two rarely move for the same reasons.
FAQ
What is the correlation between VBIO and WAB?
As of 2026-08-27, the correlation of weekly returns between VBIO and WAB is -0.17 over 3 years, -0.38 over 1 year and -0.10 over 5 years.
Is WAB a good diversifier for VBIO?
By historical standards, yes. A correlation of -0.17 means the two rarely move for the same reasons.
What does a correlation of -0.17 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/vbio-vs-wab.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/vbio-vs-wab/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: VBIO correlations · WAB correlations
